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Onix 3/18 Price 2026 | Southern Islands

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Sets›Southern Islands›Onix

PromoFighting

Onix – 3/18

Southern Islands#3/18BasicHP 90

Buy on TCGPlayer

Featured Pokémon

#95 Onix

rock / ground

Set

Southern Islands

18 cards · Other Miscellaneous Sets

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Frequently Asked Questions

How much is Onix 3/18 worth?: Onix 3/18 from Southern Islands has a current market price of $49.56 for the Normal variant. Recent sales range from $51.99 to $629.20.
Is Onix a good investment?: Onix has appreciated 366.2% since release, showing a positive long-term trend for collectors and investors.
Where can I buy Onix?: Onix is available on TCGplayer through verified sellers. Use the Buy button on this page to view current listings, market prices, and condition options.
What set is Onix from?: Onix is from the Southern Islands set, part of the Other Miscellaneous Sets series, which contains 18 cards. It is card number 3/18 with a rarity of Promo and Fighting type.

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Market Price

$49.56

Normal

Price updated Jul 3, 2026

+366.2%all time

Onix has gained 366.2% since release. Normal prices range from $51.99 to $629.20.

Variant	Market	Low	Mid	High	Trend
NormalDEFAULT	$49.56	$51.99	$66.97	$629.20	▲ 366.2%

Price History

Normal — market price over time

Card Details

Type: Fighting
Stage: Basic
HP: 90
Weakness: G
Retreat Cost: 3
Set: Southern Islands
Rarity: Promo
Card #: 3/18

Attacks

[2] Slam (20x)
Flip 2 coins. This attack does 20 damage times the number of heads.

[FFFF] Body Slam (40)
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.

More Onix Cards

Brock's Onix (21)

Brock's Onix (21)

#21Rare

$8.70

Brock's Onix (69)

Brock's Onix (69)

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$1.16

Onix

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#56Common

$0.75

Onix

Onix

#98Common

$6.81

Onix

Onix

#56Common

$3.85

Onix

Onix

#84Common

$1.11

Onix

Onix

#69Common

$1.23

Onix

Onix

#84Common

$0.58

Onix

Onix

#71Common

$0.95

Onix

Onix

#42Uncommon

$2.72

Onix Products

Pokemon 2-Player Starter Set (Revised Base Set Reprint Run)

Pokemon 2-Player Starter Set (Revised Base Set Reprint Run)

$215.83

Base Set Theme Deck - "Blackout" (Revised Base Set Reprint Run)

Base Set Theme Deck - "Blackout" (Revised Base Set Reprint Run)

Base Set Theme Deck - "Zap!" (Revised Base Set Reprint Run)

Base Set Theme Deck - "Zap!" (Revised Base Set Reprint Run)

$499.95

Base Set Theme Deck - "Brushfire" (Revised Base Set Reprint Run)

Base Set Theme Deck - "Brushfire" (Revised Base Set Reprint Run)

Base Set Theme Deck - "Overgrowth" (Revised Base Set Reprint Run)

Base Set Theme Deck - "Overgrowth" (Revised Base Set Reprint Run)

$685.00

Base Set Booster Pack [Revised Unlimited Edition]

Base Set Booster Pack [Revised Unlimited Edition]

$772.33

Base Set Booster Box [Revised Unlimited Edition]

Base Set Booster Box [Revised Unlimited Edition]

Pokemon Base Set (Shadowless) [1st Edition] Booster Box

Pokemon Base Set (Shadowless) [1st Edition] Booster Box

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